AD8131ARM Analog Devices Inc, AD8131ARM Datasheet
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AD8131ARM
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AD8131ARM Summary of contents
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FEATURES High speed 400 MHz, −3 dB full power bandwidth 2000 V/μs slew rate Fixed gain of 2 with no external components Internal common-mode feedback to improve gain and phase balance: − MHz Separate input to set ...
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AD8131 TABLE OF CONTENTS Specifications..................................................................................... 3 ±D to ±OUT Specifications...................................................... ±OUT Specifications ..................................................... 4 OCM ±D to ±OUT Specifications...................................................... ±OUT Specifications ..................................................... 6 OCM Absolute Maximum Ratings............................................................ 7 ESD Caution.................................................................................. 7 Pin ...
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SPECIFICATIONS ±D TO ±OUT SPECIFICATIONS IN 25° ± OCM L, dm descriptions. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Table 1. Parameter DYNAMIC ...
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AD8131 V TO ±OUT SPECIFICATIONS OCM 25° ± OCM L, dm descriptions. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Table 2. Parameter DYNAMIC ...
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TO ±OUT SPECIFICATIONS IN 25° 2 OCM L, dm descriptions. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Table 3. Parameter DYNAMIC PERFORMANCE ...
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AD8131 V TO ±OUT SPECIFICATIONS OCM 25° 2 OCM L, dm descriptions. All specifications refer to single-ended input and differential outputs, unless otherwise noted. Table 4. Parameter DYNAMIC ...
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ABSOLUTE MAXIMUM RATINGS 1 Table 5. Parameter Supply Voltage V OCM Internal Power Dissipation Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering 10 sec) 1 Thermal resistance measured on SEMI standard 4-layer board. 8-lead SOIC: θ = 121°C/W. JA ...
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AD8131 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 6. Pin Function Descriptions Pin No. Mnemonic Description 1 −D Negative Input Common-Mode Output Voltage. Voltage applied to this pin sets the common-mode output voltage with a ratio of OCM ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1500Ω 750Ω 49.9Ω AD8131 750Ω 24.9Ω 1500Ω Figure 5. Basic Test Circuit 200mV p-p OUT = ± – FREQUENCY (MHz) Figure 6. Small Signal Frequency Response ...
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AD8131 – 800Ω p-p OUT, dm –60 HD3 (V = 3V) S –70 –80 HD2 (V = 3V) S –90 HD2 (V = 5V) S –100 –110 FREQUENCY ...
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p-p OUT, dm –60 HD2 (F = 20MHz) HD3 (F = 20MHz) –70 –80 –90 HD2 (F = 5MHz) –100 HD3 (F = 5MHz) –110 200 300 400 500 600 700 800 ...
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AD8131 ± 400mV Figure 23. Large Signal Transient Response 300mV Figure 24. Large Signal Transient Response 2mV/DIV V OUT, dm 1V/DIV V +DIN Figure 25. 0.1% Settling Time V ...
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AD8131 V OUT, dm 750Ω 24.9Ω 100Ω 1500Ω Figure 29. CMRR Test Circuit –20 = ± p-p IN, cm –30 –40 ΔV –50 /ΔV OUT, dm IN, cm –60 –70 ΔV /ΔV ...
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AD8131 110 0.1k 1k 10k 100k FREQUENCY (Hz) Figure 35. Voltage Noise vs. Frequency 6 ΔV OUT, cm ΔV OCM 3 ΔV 0 –3 Δ p-p OCM –6 – FREQUENCY (MHz) ...
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OPERATIONAL DESCRIPTION +IN –OUT + AD8131 OCM –D IN –IN +OUT Figure 39. Circuit Definitions Differential voltage refers to the difference between two node voltages. For example, the output differential ...
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AD8131 THEORY OF OPERATION The AD8131 differs from conventional op amps in that it has two outputs whose voltages move in opposite directions. Like an op amp, it relies on high open-loop gain and negative feedback to force these outputs ...
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INPUT COMMON-MODE VOLTAGE RANGE IN SINGLE-SUPPLY APPLICATIONS The AD8131 is optimized for level-shifting ground referenced input signals. For a single-ended input this would imply, for example, that the voltage at −D in Figure 39 would be zero IN volts when ...
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AD8131 APPLICATIONS TWISTED-PAIR LINE DRIVER The AD8131 has on-chip resistors that provide for a gain of 2 without any external parts. Several on-chip resistors are trimmed to ensure that the gain is accurate, the common-mode rejection is good, and the ...
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FREQUENCY (MHz) Figure 42. FFT Plot for AD8131/AD9203 UNITY-GAIN, SINGLE-ENDED-TO-DIFFERENTIAL DRIVER not necessary to offset the ...
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... AD8131ARM-REEL7 −40°C to +125°C 1 AD8131ARMZ −40°C to +125°C 1 AD8131ARMZ-REEL −40°C to +125°C 1 AD8131ARMZ-REEL7 −40°C to +125° Pb-free part, # denotes Pb-free part; may be top or bottom marked. ©2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners ...